Vigil@nce - ECDSA/EdDSA: information disclosure via Side-channel Key Recovery
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, SnapManager, Java OpenJDK, openSUSE Leap, Java Oracle, RSA Authentication Manager, SafeNet eToken, SUSE Linux Enterprise Desktop, SLES.
Consequences: data reading.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 04/10/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via Side-channel Key Recovery of ECDSA/EdDSA, in order to obtain sensitive information. This vulnerability is the origin of VIGILANCE-VUL-30098, VIGILANCE-VUL-30205 and VIGILANCE-VUL-30534.
ACCESS TO THE FULL VIGIL@NCE BULLETIN